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This paper presents a design of Y-shaped patch microstrip antenna, which has been achieved by inserting Y-shaped strip in circular hole in square patch microstrip antenna and it has been excited by using microstrip line feed technique. Y-shaped microstrip patch antenna is designed on a FR4 substrate of thickness 1.524mm with relative permittivity of 4.4 and mounted above the ground plane. The measured...
E-shaped microstrip patch antenna is proposed here with two additional rectangular slots. The effects two additional rectangular slots at different locations are presented and analyzed the variation of parameters i.e. return loss, impedance bandwidth and gain. The size of E-shaped patch antenna is reduced up to 8%. This E-shaped patch antenna gives enhanced impedance bandwidth up to 27% and gains...
This article demonstrates design of double layers dichroic subreflector for dual frequency cassegrain antenna. This dichroic subreflector is designed to be used in ground station antenna for simultaneous reception of data in S and X band from remote sensing satellites. This earth station antenna consists of X band feed at Cassegrain focus which necessitates a subreflector surface to be fully reflective...
A novel and petite edge fed dielectric resonator antenna (DRA) is achieved by cutting the right portion of rhombic DRA with a rhombic slot at the centre and also with partial ground plane is presented for wireless communication applications. A strip line is used as feeding structure for the dielectric resonator. Parametric analysis on the antenna is performed using HFSS solver by varying the height...
Wavelet based OFDM has an upper edge over Fast Fourier transform (FFT) based OFDM in terms of orthogonality and bandwidth usage. Though these qualities are an advantage, the fluctuations in input signal's envelope cause a hike in Peak to Average Power ratio (PAPR). To tackle this problem we make use of PAPR reduction techniques in wavelet based OFDM. The results are analyzed using clipping, companding,...
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